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From: "G. Milos" <gm281@hermes.cam.ac.uk>
To: xen-devel@lists.sourceforge.net
Subject: xm create weight=x
Date: Tue, 10 Aug 2004 17:19:42 +0100 (BST)	[thread overview]
Message-ID: <Pine.LNX.4.60.0408101707460.24044@hermes-1.csi.cam.ac.uk> (raw)
In-Reply-To: <200408092245170093.0089E7E4@mail.gmx.de>

I've just added a new option to the xm create command. The weight of a 
domain (CPU share) can be set with 'weight=something' parameter 
(something can be a float). It
also works if weight is specified in the config file (xmdefaults).

Schedulers which do not have notion of weight (e.g. RRobin) ignore the 
weight argument.

For the default scheduler (BVT) the weights are inversed and then stored 
in an integer field (mcu_advance = 10 / weight). To achieve good
resolution it is therefore good to use relativelly small walues for the 
weight parameter.

Finally - the scheduling parameters can be changed using:
xm bvt
xm fbvt
xm rrobin
xm atropos (if it worked)
calls, depending on which scheduler is currently used.

All the test reports are welcomed, directly to me or to the list.

Cheers
Gregor



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      parent reply	other threads:[~2004-08-10 16:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-08 22:38 Problems booting 2.6.7 Dom0 with 3ware Controllers Sven Kretzschmar
2004-08-08 23:00 ` Ian Pratt
2004-08-09  7:45 ` Keir Fraser
2004-08-09 19:29   ` Keir Fraser
2004-08-09 20:45 ` Problems booting on a Dual-Xeon with 2.4 and 2.6 kernels Sven Kretzschmar
2004-08-09 21:33   ` Christian Limpach
2004-08-09 22:16     ` Sven Kretzschmar
2004-08-10 19:42       ` Christian Limpach
2004-08-10 23:47         ` Problems booting with 3ware Controllers Sven Kretzschmar
2004-08-11  8:51           ` Christian Limpach
2004-08-11 17:40             ` Sven Kretzschmar
2004-08-11 18:19               ` Sven Kretzschmar
     [not found]                 ` <200408112102480140.00534B1E@mail.gmx.de>
2004-08-11 19:13                   ` Problems booting with 3ware Controllers #2 Sven Kretzschmar
2004-08-09 23:07   ` Problems booting on a Dual-Xeon with 2.4 and 2.6 kernels Keir Fraser
2004-08-10 16:19   ` G. Milos [this message]

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